On Sun, 2014-04-20 at 07:54 +0200, F. Silvain wrote: > Why do you use a2jmidid, when JACK has its own option? > jackd ... -Xseq I can't speak for the OP, but at least for jack2 some time a go it was wise to use -Xalsarawmidi + a2jmidid, regarding to accuracy.